Sunday, October 14, 2012

High Idle Problem

Replacing Throttle Position Sensor on Kia Sorento

On most of cases high idles are caused by one of three things -

  • Faulty Throttle position sensor, 
  • sticking throttle plate or 
  • There is a vacuum leak.

So to confirm what is causing these high idle problem
First check all vacuum hoses for cracks/splits/breaks/disconnects and repair as needed. Clean the throttle body of all carbon buildup. If still a high idle, replace the TP sensor.

Replacing throttle position sensor is not very difficult.

Some newbie car repair techs think,there is requirement of computer reprogramming after replacing TPS. But its not required. At-least on 2005 KIA Sorento car model.

Removal & Installation for throttle position sensor:----

Disconnect the negative battery cable.
Disconnect the sensor connector.
Remove the sensor retaining screws. Remove the sensor from its mounting.

To install the new sensor:
Installation is the reverse of the removal procedure.
Now once the sensor is installed after that ,Crank engine and with all accessories off, allow to idle for 3 minutes without touching the accelerator or brake pedal.
Once these procedure is done the sensor will start operating.

These details will help.

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